Concentrations of total ammonium, biochemical oxygen demand, nitrate and orthophosphate in European rivers between 1992 and 2001
Total number of stations in brackets. Number of stations from each country per determinand shown below.
For references, please go to http://www.eea.europa.eu/data-and-maps/figures/concentrations-of-total-ammonium-biochemical-oxygen-demand-nitrate-and-orthophosphate-in-european-rivers-between-1992-and-2001 or scan the QR code.
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